I heard about Bitcoins on Christmas eve and I have made some great transactions of Bitcoins and also on other cryptocurrencies like Ethereum and Ripple. You can buy and sell Bitcoins through Bitfort- https://thebitfort.com/
BitFort is the first crypto exchange in India which allows you to convert your Ripple and Ethereum directly to Indian Rupees.
BitFort has taken the Indian Crypto market to the next level by introducing other crpto.
What is Ripple: https://blogs.thebitfort.com/what-is-ripple-a-short-summary-dbb421e07ebf
What is Ethereum: https://blogs.thebitfort.com/what-is-ethereum-all-you-need-to-know-d797ab88ff0c
You can download BitFort from:-
Android: https://play.google.com/store/apps/details?id=com.cryptomining.bitcoin&hl=en
IOS: https://itunes.apple.com/us/app/bitfort/id1329678083?mt=8